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   1 /*
   2  * linux/arch/arm/mach-omap1/board-osk.c
   3  *
   4  * Board specific init for OMAP5912 OSK
   5  *
   6  * Written by Dirk Behme <dirk.behme@de.bosch.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2 of the License, or (at your
  11  * option) any later version.
  12  *
  13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  14  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  16  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  19  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  *
  24  * You should have received a copy of the  GNU General Public License along
  25  * with this program; if not, write  to the Free Software Foundation, Inc.,
  26  * 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 #include <linux/kernel.h>
  30 #include <linux/init.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/irq.h>
  34 #include <linux/i2c.h>
  35 #include <linux/leds.h>
  36
  37 #include <linux/mtd/mtd.h>
  38 #include <linux/mtd/partitions.h>
  39
  40 #include <linux/i2c/tps65010.h>
  41
  42 #include <asm/hardware.h>
  43 #include <asm/gpio.h>
  44
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47 #include <asm/mach/map.h>
  48 #include <asm/mach/flash.h>
  49
  50 #include <asm/arch/usb.h>
  51 #include <asm/arch/mux.h>
  52 #include <asm/arch/tc.h>
  53 #include <asm/arch/common.h>
  54 #include <asm/arch/mcbsp.h>
  55 #include <asm/arch/omap-alsa.h>
  56
  57 static struct mtd_partition osk_partitions[] = {
  58         /* bootloader (U-Boot, etc) in first sector */
  59         {
  60               .name             = "bootloader",
  61               .offset           = 0,
  62               .size             = SZ_128K,
  63               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  64         },
  65         /* bootloader params in the next sector */
  66         {
  67               .name             = "params",
  68               .offset           = MTDPART_OFS_APPEND,
  69               .size             = SZ_128K,
  70               .mask_flags       = 0,
  71         }, {
  72               .name             = "kernel",
  73               .offset           = MTDPART_OFS_APPEND,
  74               .size             = SZ_2M,
  75               .mask_flags       = 0
  76         }, {
  77               .name             = "filesystem",
  78               .offset           = MTDPART_OFS_APPEND,
  79               .size             = MTDPART_SIZ_FULL,
  80               .mask_flags       = 0
  81         }
  82 };
  83
  84 static struct flash_platform_data osk_flash_data = {
  85         .map_name       = "cfi_probe",
  86         .width          = 2,
  87         .parts          = osk_partitions,
  88         .nr_parts       = ARRAY_SIZE(osk_partitions),
  89 };
  90
  91 static struct resource osk_flash_resource = {
  92         /* this is on CS3, wherever it's mapped */
  93         .flags          = IORESOURCE_MEM,
  94 };
  95
  96 static struct platform_device osk5912_flash_device = {
  97         .name           = "omapflash",
  98         .id             = 0,
  99         .dev            = {
 100                 .platform_data  = &osk_flash_data,
 101         },
 102         .num_resources  = 1,
 103         .resource       = &osk_flash_resource,
 104 };
 105
 106 static struct resource osk5912_smc91x_resources[] = {
 107         [0] = {
 108                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
 109                 .end    = OMAP_OSK_ETHR_START + 0xf,
 110                 .flags  = IORESOURCE_MEM,
 111         },
 112         [1] = {
 113                 .start  = OMAP_GPIO_IRQ(0),
 114                 .end    = OMAP_GPIO_IRQ(0),
 115                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 116         },
 117 };
 118
 119 static struct platform_device osk5912_smc91x_device = {
 120         .name           = "smc91x",
 121         .id             = -1,
 122         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
 123         .resource       = osk5912_smc91x_resources,
 124 };
 125
 126 static struct resource osk5912_cf_resources[] = {
 127         [0] = {
 128                 .start  = OMAP_GPIO_IRQ(62),
 129                 .end    = OMAP_GPIO_IRQ(62),
 130                 .flags  = IORESOURCE_IRQ,
 131         },
 132 };
 133
 134 static struct platform_device osk5912_cf_device = {
 135         .name           = "omap_cf",
 136         .id             = -1,
 137         .dev = {
 138                 .platform_data  = (void *) 2 /* CS2 */,
 139         },
 140         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
 141         .resource       = osk5912_cf_resources,
 142 };
 143
 144 #define DEFAULT_BITPERSAMPLE 16
 145
 146 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 147         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 148         .spcr1 = RINTM(3) | RRST,
 149         .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 150             RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
 151         .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 152         .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 153             XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
 154         .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 155         .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
 156         .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
 157         /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
 158         .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
 159 };
 160
 161 static struct omap_alsa_codec_config alsa_config = {
 162         .name                   = "OSK AIC23",
 163         .mcbsp_regs_alsa        = &mcbsp_regs,
 164         .codec_configure_dev    = NULL, /* aic23_configure, */
 165         .codec_set_samplerate   = NULL, /* aic23_set_samplerate, */
 166         .codec_clock_setup      = NULL, /* aic23_clock_setup, */
 167         .codec_clock_on         = NULL, /* aic23_clock_on, */
 168         .codec_clock_off        = NULL, /* aic23_clock_off, */
 169         .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
 170 };
 171
 172 static struct platform_device osk5912_mcbsp1_device = {
 173         .name   = "omap_alsa_mcbsp",
 174         .id     = 1,
 175         .dev = {
 176                 .platform_data  = &alsa_config,
 177         },
 178 };
 179
 180 static struct platform_device *osk5912_devices[] __initdata = {
 181         &osk5912_flash_device,
 182         &osk5912_smc91x_device,
 183         &osk5912_cf_device,
 184         &osk5912_mcbsp1_device,
 185 };
 186
 187 static struct gpio_led tps_leds[] = {
 188         /* NOTE:  D9 and D2 have hardware blink support.
 189          * Also, D9 requires non-battery power.
 190          */
 191         { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9", },
 192         { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
 193         { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
 194                         .default_trigger = "heartbeat", },
 195 };
 196
 197 static struct gpio_led_platform_data tps_leds_data = {
 198         .num_leds       = 3,
 199         .leds           = tps_leds,
 200 };
 201
 202 static struct platform_device osk5912_tps_leds = {
 203         .name                   = "leds-gpio",
 204         .id                     = 0,
 205         .dev.platform_data      = &tps_leds_data,
 206 };
 207
 208 static int osk_tps_setup(struct i2c_client *client, void *context)
 209 {
 210         /* Set GPIO 1 HIGH to disable VBUS power supply;
 211          * OHCI driver powers it up/down as needed.
 212          */
 213         gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
 214         gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
 215
 216         /* Set GPIO 2 high so LED D3 is off by default */
 217         tps65010_set_gpio_out_value(GPIO2, HIGH);
 218
 219         /* Set GPIO 3 low to take ethernet out of reset */
 220         gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
 221         gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
 222
 223         /* GPIO4 is VDD_DSP */
 224         gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
 225         gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
 226         /* REVISIT if DSP support isn't configured, power it off ... */
 227
 228         /* Let LED1 (D9) blink; leds-gpio may override it */
 229         tps65010_set_led(LED1, BLINK);
 230
 231         /* Set LED2 off by default */
 232         tps65010_set_led(LED2, OFF);
 233
 234         /* Enable LOW_PWR handshake */
 235         tps65010_set_low_pwr(ON);
 236
 237         /* Switch VLDO2 to 3.0V for AIC23 */
 238         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
 239                         | TPS_LDO1_ENABLE);
 240
 241         /* register these three LEDs */
 242         osk5912_tps_leds.dev.parent = &client->dev;
 243         platform_device_register(&osk5912_tps_leds);
 244
 245         return 0;
 246 }
 247
 248 static struct tps65010_board tps_board = {
 249         .base           = OSK_TPS_GPIO_BASE,
 250         .outmask        = 0x0f,
 251         .setup          = osk_tps_setup,
 252 };
 253
 254 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
 255         {
 256                 I2C_BOARD_INFO("tps65010", 0x48),
 257                 .irq            = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
 258                 .platform_data  = &tps_board,
 259
 260         },
 261         /* TODO when driver support is ready:
 262          *  - aic23 audio chip at 0x1a
 263          *  - on Mistral, 24c04 eeprom at 0x50
 264          *  - optionally on Mistral, ov9640 camera sensor at 0x30
 265          */
 266 };
 267
 268 static void __init osk_init_smc91x(void)
 269 {
 270         if ((gpio_request(0, "smc_irq")) < 0) {
 271                 printk("Error requesting gpio 0 for smc91x irq\n");
 272                 return;
 273         }
 274
 275         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
 276         EMIFS_CCS(1) |= 0x3;
 277 }
 278
 279 static void __init osk_init_cf(void)
 280 {
 281         omap_cfg_reg(M7_1610_GPIO62);
 282         if ((gpio_request(62, "cf_irq")) < 0) {
 283                 printk("Error requesting gpio 62 for CF irq\n");
 284                 return;
 285         }
 286         /* the CF I/O IRQ is really active-low */
 287         set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
 288 }
 289
 290 static void __init osk_init_irq(void)
 291 {
 292         omap1_init_common_hw();
 293         omap_init_irq();
 294         omap_gpio_init();
 295         osk_init_smc91x();
 296         osk_init_cf();
 297 }
 298
 299 static struct omap_usb_config osk_usb_config __initdata = {
 300         /* has usb host connector (A) ... for development it can also
 301          * be used, with a NONSTANDARD gender-bending cable/dongle, as
 302          * a peripheral.
 303          */
 304 #ifdef  CONFIG_USB_GADGET_OMAP
 305         .register_dev   = 1,
 306         .hmc_mode       = 0,
 307 #else
 308         .register_host  = 1,
 309         .hmc_mode       = 16,
 310         .rwc            = 1,
 311 #endif
 312         .pins[0]        = 2,
 313 };
 314
 315 static struct omap_uart_config osk_uart_config __initdata = {
 316         .enabled_uarts = (1 << 0),
 317 };
 318
 319 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 320 static struct omap_lcd_config osk_lcd_config __initdata = {
 321         .ctrl_name      = "internal",
 322 };
 323 #endif
 324
 325 static struct omap_board_config_kernel osk_config[] __initdata = {
 326         { OMAP_TAG_USB,           &osk_usb_config },
 327         { OMAP_TAG_UART,                &osk_uart_config },
 328 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 329         { OMAP_TAG_LCD,                 &osk_lcd_config },
 330 #endif
 331 };
 332
 333 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 334
 335 #include <linux/input.h>
 336 #include <linux/spi/spi.h>
 337 #include <linux/spi/ads7846.h>
 338
 339 #include <asm/arch/keypad.h>
 340
 341 static const int osk_keymap[] = {
 342         /* KEY(col, row, code) */
 343         KEY(0, 0, KEY_F1),              /* SW4 */
 344         KEY(0, 3, KEY_UP),              /* (sw2/up) */
 345         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
 346         KEY(1, 2, KEY_LEFT),            /* (sw2/left) */
 347         KEY(2, 0, KEY_SPACE),           /* SW3 */
 348         KEY(2, 1, KEY_ESC),             /* SW6 */
 349         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
 350         KEY(3, 2, KEY_ENTER),           /* (sw2/select) */
 351         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
 352         0
 353 };
 354
 355 static struct omap_kp_platform_data osk_kp_data = {
 356         .rows           = 8,
 357         .cols           = 8,
 358         .keymap         = (int *) osk_keymap,
 359         .keymapsize     = ARRAY_SIZE(osk_keymap),
 360         .delay          = 9,
 361 };
 362
 363 static struct resource osk5912_kp_resources[] = {
 364         [0] = {
 365                 .start  = INT_KEYBOARD,
 366                 .end    = INT_KEYBOARD,
 367                 .flags  = IORESOURCE_IRQ,
 368         },
 369 };
 370
 371 static struct platform_device osk5912_kp_device = {
 372         .name           = "omap-keypad",
 373         .id             = -1,
 374         .dev            = {
 375                 .platform_data = &osk_kp_data,
 376         },
 377         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
 378         .resource       = osk5912_kp_resources,
 379 };
 380
 381 static struct omap_backlight_config mistral_bl_data = {
 382         .default_intensity      = 0xa0,
 383 };
 384
 385 static struct platform_device mistral_bl_device = {
 386         .name           = "omap-bl",
 387         .id             = -1,
 388         .dev            = {
 389                 .platform_data = &mistral_bl_data,
 390         },
 391 };
 392
 393 static struct platform_device osk5912_lcd_device = {
 394         .name           = "lcd_osk",
 395         .id             = -1,
 396 };
 397
 398 static struct platform_device *mistral_devices[] __initdata = {
 399         &osk5912_kp_device,
 400         &mistral_bl_device,
 401         &osk5912_lcd_device,
 402 };
 403
 404 static int mistral_get_pendown_state(void)
 405 {
 406         return !gpio_get_value(4);
 407 }
 408
 409 static const struct ads7846_platform_data mistral_ts_info = {
 410         .model                  = 7846,
 411         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 412         .x_plate_ohms           = 419,
 413         .y_plate_ohms           = 486,
 414         .get_pendown_state      = mistral_get_pendown_state,
 415 };
 416
 417 static struct spi_board_info __initdata mistral_boardinfo[] = { {
 418         /* MicroWire (bus 2) CS0 has an ads7846e */
 419         .modalias               = "ads7846",
 420         .platform_data          = &mistral_ts_info,
 421         .irq                    = OMAP_GPIO_IRQ(4),
 422         .max_speed_hz           = 120000 /* max sample rate at 3V */
 423                                         * 26 /* command + data + overhead */,
 424         .bus_num                = 2,
 425         .chip_select            = 0,
 426 } };
 427
 428 #ifdef  CONFIG_PM
 429 static irqreturn_t
 430 osk_mistral_wake_interrupt(int irq, void *ignored)
 431 {
 432         return IRQ_HANDLED;
 433 }
 434 #endif
 435
 436 static void __init osk_mistral_init(void)
 437 {
 438         /* NOTE:  we could actually tell if there's a Mistral board
 439          * attached, e.g. by trying to read something from the ads7846.
 440          * But this arch_init() code is too early for that, since we
 441          * can't talk to the ads or even the i2c eeprom.
 442          */
 443
 444         /* parallel camera interface */
 445         omap_cfg_reg(J15_1610_CAM_LCLK);
 446         omap_cfg_reg(J18_1610_CAM_D7);
 447         omap_cfg_reg(J19_1610_CAM_D6);
 448         omap_cfg_reg(J14_1610_CAM_D5);
 449         omap_cfg_reg(K18_1610_CAM_D4);
 450         omap_cfg_reg(K19_1610_CAM_D3);
 451         omap_cfg_reg(K15_1610_CAM_D2);
 452         omap_cfg_reg(K14_1610_CAM_D1);
 453         omap_cfg_reg(L19_1610_CAM_D0);
 454         omap_cfg_reg(L18_1610_CAM_VS);
 455         omap_cfg_reg(L15_1610_CAM_HS);
 456         omap_cfg_reg(M19_1610_CAM_RSTZ);
 457         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
 458
 459         /* serial camera interface */
 460         omap_cfg_reg(H19_1610_CAM_EXCLK);
 461         omap_cfg_reg(W13_1610_CCP_CLKM);
 462         omap_cfg_reg(Y12_1610_CCP_CLKP);
 463         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
 464         /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
 465         omap_cfg_reg(W14_1610_CCP_DATAP);
 466
 467         /* CAM_PWDN */
 468         if (gpio_request(11, "cam_pwdn") == 0) {
 469                 omap_cfg_reg(N20_1610_GPIO11);
 470                 gpio_direction_output(11, 0);
 471         } else
 472                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
 473
 474
 475         /* omap_cfg_reg(P19_1610_GPIO6); */     /* BUSY */
 476         gpio_request(6, "ts_busy");
 477         gpio_direction_input(6);
 478
 479         omap_cfg_reg(P20_1610_GPIO4);   /* PENIRQ */
 480         gpio_request(4, "ts_int");
 481         gpio_direction_input(4);
 482         set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
 483
 484         spi_register_board_info(mistral_boardinfo,
 485                         ARRAY_SIZE(mistral_boardinfo));
 486
 487         /* the sideways button (SW1) is for use as a "wakeup" button */
 488         omap_cfg_reg(N15_1610_MPUIO2);
 489         if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
 490                 int ret = 0;
 491
 492                 gpio_direction_input(OMAP_MPUIO(2));
 493                 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
 494 #ifdef  CONFIG_PM
 495                 /* share the IRQ in case someone wants to use the
 496                  * button for more than wakeup from system sleep.
 497                  */
 498                 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
 499                                 &osk_mistral_wake_interrupt,
 500                                 IRQF_SHARED, "mistral_wakeup",
 501                                 &osk_mistral_wake_interrupt);
 502                 if (ret != 0) {
 503                         gpio_free(OMAP_MPUIO(2));
 504                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
 505                                 ret);
 506                 } else
 507                         enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
 508 #endif
 509         } else
 510                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
 511
 512         /* LCD:  backlight, and power; power controls other devices on the
 513          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
 514          */
 515         omap_cfg_reg(PWL);
 516         if (gpio_request(2, "lcd_pwr") == 0)
 517                 gpio_direction_output(2, 1);
 518
 519         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
 520 }
 521 #else
 522 static void __init osk_mistral_init(void) { }
 523 #endif
 524
 525 #define EMIFS_CS3_VAL   (0x88013141)
 526
 527 static void __init osk_init(void)
 528 {
 529         /* Workaround for wrong CS3 (NOR flash) timing
 530          * There are some U-Boot versions out there which configure
 531          * wrong CS3 memory timings. This mainly leads to CRC
 532          * or similar errors if you use NOR flash (e.g. with JFFS2)
 533          */
 534         if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
 535                 EMIFS_CCS(3) = EMIFS_CS3_VAL;
 536
 537         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
 538         osk_flash_resource.end += SZ_32M - 1;
 539         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
 540         omap_board_config = osk_config;
 541         omap_board_config_size = ARRAY_SIZE(osk_config);
 542         USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
 543
 544         /* irq for tps65010 chip */
 545         /* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
 546         if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
 547                 gpio_direction_input(OMAP_MPUIO(1));
 548
 549         omap_serial_init();
 550         omap_register_i2c_bus(1, 400, osk_i2c_board_info,
 551                               ARRAY_SIZE(osk_i2c_board_info));
 552         osk_mistral_init();
 553 }
 554
 555 static void __init osk_map_io(void)
 556 {
 557         omap1_map_common_io();
 558 }
 559
 560 MACHINE_START(OMAP_OSK, "TI-OSK")
 561         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 562         .phys_io        = 0xfff00000,
 563         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 564         .boot_params    = 0x10000100,
 565         .map_io         = osk_map_io,
 566         .init_irq       = osk_init_irq,
 567         .init_machine   = osk_init,
 568         .timer          = &omap_timer,
 569 MACHINE_END